Home / 1,077,794.60-1,616,691.90-978,067.40

Finding the Fourth Proportional to 1,077,794.60, 1,616,691.90 and 978,067.40

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Solution

The fourth proportional to 1,077,794.60, 1,616,691.90 and 978,067.40 is: 1,467,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,794.60 : 1,616,691.90 = 978,067.40 : x
  2. Step 2: Convert to fraction form
    1,077,794.60/1,616,691.90 = 978,067.40/x
  3. Step 3: Cross multiply
    1,077,794.60x = 1,616,691.90 × 978,067.40
  4. Step 4: Simplify right side
    1,077,794.60x = 1,581,233,643,234.06
  5. Step 5: Solve for x
    x = 1,581,233,643,234.06/1,077,794.60
  6. Step 6: Final answer
    x = 1,467,101.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.